Infrastructure Architect

Role Responsibilities

• Act as the design authority for enterprise infrastructure across M365, Azure, Dynamics 365, Power Platform and on-premises environments.
• Define and maintain infrastructure principles, standards, reference designs and target roadmaps.
• Lead M365 tenant strategy and complex migrations, aligned to security, identity, compliance and operating models.
• Define Azure and hybrid architecture patterns aligned to the Azure Well-Architected Framework across cost, reliability, security, operations and performance.
• Oversee on-premises infrastructure architecture, integration, lifecycle management and modernisation.
• Own architecture for business continuity, disaster recovery, backup and resilience across cloud and on-premises environments.
• Advise operating companies on adopting new technologies and infrastructure solutions.
• Ensure architecture aligns with change control, governance and risk management.
• Maintain architectural documentation, including conceptual, logical and physical diagrams.
• Promote Infrastructure as Code and automation-first principles using Terraform, Bicep or ARM for consistent deployments.
• Align infrastructure architecture with DevOps and platform engineering to enable CI/CD, standardised environments and faster delivery.
• Define and govern FinOps practices, including cost optimisation, usage governance, budgeting and forecasting across Azure and M365.
• Establish cost controls, including tagging, showback/chargeback and accountability across operating companies.
• Provide architectural guidance to balance cost, performance, scalability and resilience.
• Define infrastructure architecture for AI/ML workloads, advanced analytics and high-performance computing.
• Ensure platforms are AI-ready with scalable compute, data integration, secure access and responsible AI controls.
• Evaluate emerging Microsoft capabilities, including Copilot and AI services, and define group-wide adoption patterns.
• Promote AIOps to improve incident detection, automated remediation and operational insight.
• Stay current with technology trends, Microsoft roadmaps and emerging capabilities to inform future architecture decisions.

Role Prerequisites

• Significant experience (typically 8+ years) in infrastructure, cloud or platform roles, including demonstrated time operating at an architectural or design authority level.
• Deep experience with Microsoft Azure and M365 in enterprise or global environments.
• Strong understanding of hybrid infrastructure, including on‑premises data centres, networking and identity integration.
• Experience supporting or integrating SaaS platforms such as Dynamics 365 and Power Platform from an infrastructure and security perspective.
• Proven experience defining architecture standards, patterns and governance in complex, multi‑company organisations.
• Strong knowledge of identity and access management technologies (Entra ID / Azure AD, Azure AD Connect, ADFS, federation, MFA and conditional access).
• Experience shaping and assuring infrastructure migrations and modernisation programmes.
• Proven ability to translate complex technical architecture into clear guidance for engineers, leaders and stakeholders.

Preferred Certifications

• Microsoft Certified: Azure Solutions Architect Expert
• Microsoft Certified: DevOps Engineer Expert
• Microsoft Certified: Azure Administrator Associate
• FinOps Certified Practitioner (or equivalent cloud cost management certification)
• TOGAF or equivalent enterprise architecture certification

Professional attributes

• Proven Architectural Leadership - Demonstrates strong systems thinking and architectural judgement, with the ability to balance strategic direction and pragmatic delivery. Able to guide engineers without becoming delivery‑dependent.
• Operational & Design Excellence - Experienced in operating within service‑oriented environments while elevating architecture maturity, consistency and resilience across platforms.
• Entrepreneurial “Can‑Do” Approach - Creative, resilient and outcome‑focused. Comfortable driving clarity in ambiguous or complex environments and finding practical paths forward.
• Commercial, Analytic & Strategic Mindset - Able to evaluate options, assess risk, define trade‑offs and influence decisions. Communicates confidently with technical and non‑technical stakeholders.
• Cultural Fit - Non‑political, collaborative, transparent and low‑ego. Builds trust at all levels of the organisation and acts as a calm, credible senior technical voice.

Location

This role is based in London with a hybrid working style, also includes additional project-dependent travel requirements to our London office and to our operating companies in the UK and abroad.

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